{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae8ec7347d0e25fee1d6b2a1e85bc5174071addc633b9d4752c5944ff7b522c6",
    "signature": "0x47e170d6990a59d42f84cb34758a305e2dcbe1577069e6996cbbd559d6e920b14b2a28a5d12c4dc6109f2eac7a8bd31cdba6a4c07f3de6ee3f9d7a85662c7e761c",
    "signer": "0xd83DA233a4f93E91458C2b468E7BB86f284AC606",
    "userId": "523247117"
  }
}