{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7498",
    "entityType": "User",
    "nonce": "0x3f04e37b1b00c807cb919c07815a61857a16a1f11ec96d27b30dc1677fec75bf",
    "signature": "0xb328bef5c9ba1c4fe10f2994b7c02f54b85321f116dba38dd905305a944b1c186e595da186a5083116c346fa27dcc4effd7087a4aa94b56fc036488a40be3d0b1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}