{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17806",
    "entityType": "User",
    "nonce": "0x0f2cfd63bb1f86b2fb11af32d506674f98e8297ac8290fe72957d5052be55e2a",
    "signature": "0xc80a0d8ca895208f629e358da5ca5bdfd36f67acc0e496ac3b7a8c98ec433e5276ed191ff712123ffc259467de631c3308b4713902096acc6d1efae52774b26c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}