{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xa524e56405ad3010283d3a809cdcbf71867045726a6d09b434b0397a925e20a6",
    "signature": "0x72d36d31bfe59b99a2c9262322d95b1947bdeb97a3242a488e91e0eec649b79d54e95f58c1e49ac65bcba1f540642a3ef4acb6ec02779259d652413da744b2821b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}