{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xebdd2627e1a67d9c5c2f4c0247764d79d47caf7fa2dc850a241cf0c25ea4f44d",
    "signature": "0x0e09754268d1f395d9823af4941bf4f28a65c73b7e6a4149d78a3bdfa4bc291d573ec831e45b03251271e8c1d952fcf2b556681ca918d9653f8071909470eae81c",
    "signer": "0x1265f0C62f63e733ef6f5A73800dAc6eb1dAA462",
    "userId": "551524903"
  }
}