{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2038509",
    "entityType": "User",
    "nonce": "0xdf5cfa717d1ee5003db136cd4644dc702336ac30fa89d4922ce2e7f6f32255b1",
    "signature": "0xb188e85abb8f822cb2db69b277b8fa70d0cb73fc4ed10a7465a9b4f050515ded38b0375a5a92b76477c1c2e2548e36bd4a77b633066b919e3280ff0db05444121c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}