{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85920",
    "entityType": "User",
    "nonce": "0x7405504a0be8c4c90929e2b4518c4f44524de9838f0037090dee074d5f329388",
    "signature": "0xaeea7791c99b009e6b0e99957ed065d4703e94c26a5dc2bf768b0e1367d625a963baca67de20b0a2401115c4e1b1dc26298b09704db2db67a3138c1bd069e88f1b",
    "signer": "0x02B4d5531389E17effF879c0eA41e4dA46374c71",
    "userId": "117832850"
  }
}