{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4478dd64dc9e15c5de59b21a6f686a705c09be4580d822e6c15097ebf295dc2c",
    "signature": "0x22d97ae27069a9031b969228aee22330e18b845f5c7265bf4408caad5473db110447873b71918fa542101b49f417d89afae6a7f4075a9afa9bf0db096e34d2541c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}