{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354870",
    "entityType": "User",
    "nonce": "0x3856ff1ef8de4ef7cf54d57da022f26a7490f08c4b8a96ccce9db03b9eb937e6",
    "signature": "0x818f240fb0ad252893827b69549367aecf6fca27634f4603d47f26939b74bdf514b0bd7a0c9f20d25fc76647dd815b08dae9a22bbbf8fc89f8d8b940806c723d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}