{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5283",
    "entityType": "User",
    "nonce": "0x6f6329bf516215dc2d4dd23a69a5cc9893bf73e70225e932b1699e5e8480e2b6",
    "signature": "0x4df43f286d1ba2b3e26d284c7c9d753a686d4ebe3c3e61c411dca2d8ddfa73a856597c8051096d2204e0bcddc214c145bfe128d3747326b6236f3223874f63771c",
    "signer": "0xE8Ec1bAC66ca573950B30a9B5Bff2793f9CC5C29",
    "userId": "734516636"
  }
}