{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29723",
    "entityType": "User",
    "nonce": "0x84d62bbe34c83ab5ca6fee45c9297a399cbdc321ee1490d98ccfd784e4a5fb9e",
    "signature": "0xdb6c969e01f6ce368cfc44cdaeaf851f63b940bac9bc7d90dca627081dfcc9b3101bc21b8dcc8f0f4c95178035baf5f5941a8668c6d684572e838f09aa9db0b71b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}