{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0x5aedc7b4f01223ec1db1f3d1f87a69efc097cf06e328fc3b366e0804eeb02e62",
    "signature": "0xc9f4b9435003bf61ffcd8d489da195762498e12d094f6a2de667192d17982aa91e5ac7811d4fdbcacfcdf8a1db659d5aacf4a4a34c9827f277a748ee5b3557ca1c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}