{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8614",
    "entityType": "User",
    "nonce": "0x8de8a17398c180d361107a8757821e168cb2923f1080dc80834fbd507c86ada1",
    "signature": "0x3683c0ef13bb4a1109088514a22d1429cea8cc09ec0272417e4b0588f84f445d342a5854ca8a41718806622c4f292bb37951b8d64b19bb20fc1c0e04ffe891191c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}