{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2530",
    "entityType": "User",
    "nonce": "0x6b77f660481056c643c82ebfe1dec2feade825c7bf0e0bff12f0de8b803acf6c",
    "signature": "0xe633a1b643e51d3318edcd95dff6c486e183f3872617eda6e37947c3a19c5f40697271c9ec89028674e2775b35cd5e2cc2c4beef9d49c1c7a2372be3a2b6fb1e1b",
    "signer": "0x018849A3d6594093B7646022836BaaDF36aA36Ad",
    "userId": "702391481"
  }
}