{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0xf16d1239213ab8fdd4d9d75fc7476a8b49b08861253c68ca110b9523a5a8304c",
    "signature": "0x9f713acd999dd69b4b9bd7f509a5beb4eb4595fdeb45a3be5a449b749c209a38016f223b709f62e591491ee7c81ef7385b50fb3e0e488b42c2ea91d0e72a34d91c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}