{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65875358",
    "entityType": "User",
    "nonce": "0x6971c28bd5705f7b5bb68509ff501378bde897093b838b695be462865d05c334",
    "signature": "0xbabcdf8c25272a77a04634fe89663e667ecf330708d189788ace94fcf4850dea6ce78b8c710ab5a5d022936a0602a9c0a3332b206035fefa93bb5070c559cde81b",
    "signer": "0x856dD60453733C7356ce2Cc02B884a7111eC7E6D",
    "userId": "15192427"
  }
}