{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4272",
    "entityType": "User",
    "nonce": "0xf6b0ac9023979076d0b0c5dad13a326d83d7fecbea6d228274be973cc948b375",
    "signature": "0x03a12619be8b12704d4ee62def7ac6eeefe5e7679dde90aa305057a53433844d1f697ef8ced6fd0461480f5bee355cdac6714ffbef9ac304e789633c5c19cf351c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}