{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1481230",
    "entityType": "User",
    "nonce": "0xbc2fb3abef05be67a8841fd4c148e192cb9af16722f377b525345dec2c0dfc12",
    "signature": "0x82f7581733851871474ead692d24f41a64ea795315c68fcda297024ccf4c58273bf7b888bfcdf7bbb0f8cc35d4fec01c31e27d6ecbde8f182e44882d0a3c9a821b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}