{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54353",
    "entityType": "User",
    "nonce": "0xadfa97bcc5f3b087a17fb4625ce8b6af4281d593ffa16c6e5fac7f79da8845d6",
    "signature": "0xc1262d95dd110b52c2c69579f1faa40c6764455c5ac4ac8e450d14a8c6ce185e1b49d937049094b701bd31918384d7715607d93094975a2bd591a977e74bfaa41c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}