{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "689941147",
    "entityType": "User",
    "nonce": "0xc5f505d02aaac56c8bfc0fec9834d455aa39c8f6beb1a5f5dbeafeb7f0437523",
    "signature": "0x818691dcde7d73468d56fa5724125390e1a9aa20ca1d65019990ed452c93f29e14521aa7d786b8c1ee238c25297a8936601b4fde6951c4581ba84c1cfa0a6f6b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}