{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67628",
    "entityType": "User",
    "nonce": "0xd9684490ff464b6395476c2ce36718c9dd5ed3e8ca152f11f7b317a53c247126",
    "signature": "0x8939fd7df2d9aa8a9a38a97ec494b5071f755c78751f14b75c2d6ff640b1e70f51361f0f1a0c524c6c7fe8823ecfdfec99ce5b158ae6c54a1ef599083a41dca61b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}