{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8379",
    "entityType": "User",
    "nonce": "0x6b0d22d2992a511d8a76b7a2fdf72fd1aa122196fba7aef7063746892a7d1d26",
    "signature": "0xf14bf771feadbcc526c70b7932f66572944b2ae7b6a00898fa8ddd475a775a461620245fef0b31ebecd9f67ec2359f76fc2f938c63b9a0bef7717cb6878619331c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}