{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359",
    "entityType": "User",
    "nonce": "0xff4b99ca9d9f888975c98ad025a99aa7d864cbef58a47073101dbfb936e04e12",
    "signature": "0x765b0d860b9a2a9cef7544e0fba3cb008afbf214ad05eae1b07da4db083d3ef868a50fedbcb6d75ebf606438304021b5f3ed8b77c666e7fec710e7f1530191451b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}