{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977881607",
    "entityType": "User",
    "nonce": "0x7b1b6007a3da29eab0107b8cdc1665a88f46df3847a5d211a51dc7038e1990e4",
    "signature": "0x64db6b7aa6db492d1ab7edc4cd1cc78b41ba81ddbcdbdd93e40a1bda9d5b7394591e2fbf6d925e1070337e3d96a25928a63aee167504eb6407d669900b1af37c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}