{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x5e4fb1f81913c4d82154f55fbb8243d13c106202f32826f72d6457579a813c0c",
    "signature": "0xcb4da0a51bf693aadbd6366140e343de69d2a5df48f04427e5d35cf29b765bad023d14e96e5f48be26ea402a968720bb13457f16efbd73100bd2705a9893abf41c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}