{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326067",
    "entityType": "User",
    "nonce": "0x9b654378037d35a8a4b1f81c47d83595d846f0e0652d18c3631059c06e0b7350",
    "signature": "0x1a730a4bcaffc251bd2fccfea7e5119d75a7a621ac43a0a06fc5d7a36c55460204cd059822c26e3af35ce80b2e7df7104699b5a30628bec6a2cfc0411800c0131b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}