{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x93ed61d4421dc0a19dcbf743598596eac077c550024decd8f5c2e3acf894f5b6",
    "signature": "0x164748a6744cdca000139d2421be662cacb0b90d51bc6d16d9c386d223c3aec36677228ca969ccb74c9cd8da72e7b925e2e1a13ea4eedd2e917bc4bb60896e8c1b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}