{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359180454",
    "entityType": "User",
    "nonce": "0xc3db3dca5cc1b3fc6ed6f0855dc8d5a926d6504e884f36b410232c4777d7f264",
    "signature": "0xbc4c55e4440dc65ce079b5cf9e657ed3e32e49e608e0ac0e18f380a3ec06226d439c33e70016cd50d850d07fbc490d9e60df70d29b617f07f10e163ddd8920cf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}