{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x16ce321a916fbcfb470f03a3bec2bd9fb29c819d76025cc70250365beaac6085",
    "signature": "0x8e5e3231169dafd9824fbf855b8876b061f9f33f27508982427770e3419a570b54ec18f3190930b563b6393afa0d2f8230e84b37e99c22def6fcf6c2ec6d98c01b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}