{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50386",
    "entityType": "User",
    "nonce": "0xc9a1fa92dc790ea0e9ed1f2805eaeebafe3fab6f72638767d4cc5babd380a136",
    "signature": "0x127dc5fc49dfc7d61ea4371c32713afa64a372112b6db9266737063fb829cd570c45d49f351e69389cfed991236c02e57b2e29af4a746687b5f696d039ac0b741c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}