{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1815",
    "entityType": "User",
    "nonce": "0x232b97ddd118fbbf942afc6214501c5969654302d9151e1fa08eb96313cb4575",
    "signature": "0x0e0e341ae4345f7ef5dc5ea4805551fa1da61f852ec02b018943f0a461ef6cf7404a1b1d873eb5b664c6f98967c5d35dd911ecf8adeaf5c0f6354b785b5d1c5f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}