{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa3149012e50e4d1bbf13e97ce435962869c9b6f0687cc1745f79c9049458c401",
    "signature": "0x275c2f54755b3babb95a46c43f0ca1dc4a7b56d0a16f585dabe1b29087886eae64be4641e2f3311bfb09dc83a2c59e4b443fac98ded9382c154ef85a625869591b",
    "signer": "0x08E6A3B460FB7E1b78fa01400236e360BecDc974",
    "userId": "61085712"
  }
}