{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1792211",
    "entityType": "User",
    "nonce": "0xec8975055759abc8be1f26921e89c754e6c8aff04cf139abf8e259aa1e1d50ec",
    "signature": "0xc710f27f79869439ba3372048a9b702110917bd59eaf82dc980ff38eb1aac8416b35386c5d06bce3c043ef6d07cbc704dfd18ef3d8fc020d93f9fdf5712276741b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}