{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91846",
    "entityType": "User",
    "nonce": "0xac12bbc3b63569c983037955da68e933b185f372700ffbeccb0f5c6ff4282bed",
    "signature": "0x8580439d41f0de6782efd0cd3381bd009f200d6b62c2176b85e6190bbeb9276c5510dda0dceadfd2b246a7dc3be8bec7575331e3cce244fe664711ab72e5bd291c",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}