{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x861607285d8694802d46065514d1661b7ff0958386a0fabcec08da2a85e78808",
    "signature": "0xf717c7cb83e140e2954cbb853497c6996aef6a0832c1ca3d7f10e86a0338ae6c060706a1ee553c00b86aa68279684a851ab125ab39056c36621a8338cab5c09c1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}