{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0xc86b3ba64c190d504e0383e279265f1a6747f7b1f2aeaecb6b4075bf60f80ec6",
    "signature": "0x09062330671bfad7684b358d65baea626aadf07b6073d1fec249158820b7d75b46a90259fd03e7f903838792cac6fd823e242534d6d73f94867b4c7f34e6641a1b",
    "signer": "0x19Ef7aB90A425646F24020D3b88Fd21BC2ADb4b9",
    "userId": "438301978"
  }
}