{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x624fc56ba10ce5466689086ff49e2a3a6d5d7385f453aac1055d592fc4de1acd",
    "signature": "0x6213cd82c5553b37f4367c4b5b9344b8e7d0ced2f8fdda282f309fe1b84917c6006f3ffb5c6ac7ca1885d863c355da19526e97feb6ca3f2b541450bfa9ef6bfd1b",
    "signer": "0xD03e6976eD4d0102D82a2D2c5D87c67F53CF84BB",
    "userId": "74307388"
  }
}