{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x913d45362d6a266630f8af059e417678be1ff6420c033c98b04234d1ab5eb8b8",
    "signature": "0x7537f5c3256ffecbdbeb0fde64c9967c701101716cc4037096b4a6341fe3a65e09779b4d89a57af2bf8eda6a8d3e6bdd0eb91e04b3e9e3de80986cdc169b5f2a1b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}