{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x37a3248c5691d61b2ec84cd4c7011f09733f8307a159b572dcc9713413403871",
    "signature": "0xb807c63ffce5b6c799ee5ef422e9ed6a069dd7734dd4c122cf9697d22f8f406935d869f094a1992b77930c9b4457fb907e51b3cf7a2391aa3b7384571fcb43591b",
    "signer": "0x08292BF95843e388356266dDC4681aCeF2Bc2c18",
    "userId": "739430769"
  }
}