{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7304",
    "entityType": "User",
    "nonce": "0xf25efd54548e1058b78f6fd6935a099281a09dddaf6562c1485075802daa272d",
    "signature": "0x58e5cb2f498314cba22af28bf164d4f0d757df9f95ea95d8ec457976045594b14f67fe92b0f9aa5409359c25f7c8e4b6646955c374ccddecec10065aa3ae6dd81c",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}