{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb49826f900ee01771fb9ed9bd926355d12526f530c7cc9e2d12bcf535846a52c",
    "signature": "0x3823c8cc55867e8aca0a4d9bf4c7ef716a6227d13464939267372e084075744b6f8756f39af75e0c2114a61305b2ba801e70e26f87c0054b1545728ec3937a5b1c",
    "signer": "0xfea727526eAe5882cb6c8c1dD4BB0FbC80c69dcd",
    "userId": "794523945"
  }
}