{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x96b65a6e66c373d617bd90887fff5a1f64ce5dc24bb998c865325ce5c4807ec6",
    "signature": "0x8b34c52ed8437e803e856571536d84cea966923a1857ce82dee9ce114b4f2cf66499e0b34268d3a473632f0713450ef0c359a3b0e2043e4b282467cad598f1a61b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}