{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0bc6076d4d58081d3c5f6358e58ae70f6805cf4c2d2d1cc62bf5e2bf15181d72",
    "signature": "0xc2d630642f3042e699ffa7d41a2e1f6789bf35ed2432495366582ad8a11aeb214dc0eb449b4a4f1d65fe7dbe41c72b15edc73a6d982e5b2e22472bfcfcf0c5e71c",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}