{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x10c4f62c888bd5d079d6bb57b767ba46aa7dc1a6cc622624ee1a3efdd26a7663",
    "signature": "0x09a0a3b2978e46d43c1ed98f8499806f2f1ed8e473acf7a0c41f212df37cf0a32a3255dc13fa2413d727ca429de38cb551feacaa157db7a1f1e54b886c60b5001b",
    "signer": "0x9c49612CAAe0a4683C2C3286E1e072b19d2368C6",
    "userId": "118752027"
  }
}