{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xad5f05bc3eb1ae8a4f9ca8ac1d99f1a644deff9d30e5ac20376e5248c834bbe9",
    "signature": "0xa8095dbbd5edcba69236b8399117f180a5864dba23d69e58d2de2d594a4670a103f76656fd5f5bfc03830a09bc4639273379fb37d3e2c30dfed732974cdc2d161b",
    "signer": "0x0847ace8EaFBC1D7abBbA29Dc9F9f44a41aBf092",
    "userId": "480718495"
  }
}