{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x09ba10ab4997fbccaf8d0f3ea0ccfe19b0e60fda085f56f016557bf8cb86f9a0",
    "signature": "0x28d35b2d462a42b10cf60261e7b8a2c2f4e17092eecab490e47d68034de2de1c45c4888c5433da31f13d2d431e88e7e3052cb59a7bd4b403314d459c3afadb441c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}