{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "756976160",
    "entityType": "User",
    "nonce": "0xfea24c58b52ea85dd35d83fc063c7edcc2226b539d259f91dc91708d75d25362",
    "signature": "0x38719da80a7e0afe8d872e776f26866cdd659a6606953032a55c49e7004eda1f60bed9e3fa62a8070ef8ac33b420533727d007e42fcac8d212f47a0cbd844f2c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}