{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71018",
    "entityType": "User",
    "nonce": "0xe23bf7d97a69d9f621c419e6b31ad8ae142ddc37137342a7561d2f941308dbd1",
    "signature": "0xba8caa4ea2f30d7f4765526efdca85d215be852009008bbd46f8e3d5690b0c82200c3f45d6f72dc0228b49e29846365a801098b05c65ebc5212bdd8e0e5254491c",
    "signer": "0xC54AD0CCbEE4EB3E5b7fbAC20d7E1fdF626Ee35B",
    "userId": "1868747"
  }
}