{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418585758",
    "entityType": "User",
    "nonce": "0x95692e9b56ce3c3722f75d17f8ada03adfe90fa7006885b42b7622829656073f",
    "signature": "0x533006038e914bc8856ee88b1dcd1f9568d56f54b65d4b88b4b54e0bf1f41bac475be9a24ad5d54baf6863f9e7534e6ea0599b0468ec706e242aef80f4a42ea71b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}