{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd88b3b5ce1ba5b4a68411a1578064efe28edd3bef8ceefe39cb870c72145d83",
    "signature": "0xab35e11db2ec9ce40804f171a589439c6babdb6537a7585b52f50bac6f393f1e0af5b726ce02034247b81813eded4972352c5990396a4d52757d0adaca23f0cb1b",
    "signer": "0x7Ee73be5843A615b1fB410Da95624Bbf08649369",
    "userId": "773010794"
  }
}