{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0x1e20a5c04d9019246dd4d1f689ef9c757d4561e7ae730e80d9bce3a18dd60285",
    "signature": "0x4644e3e1e2983f801696db0c52c9c1f4459b5f73b226dbc2825ba9598f08202f031bd8a6f136b1adbfb4ed3eb1f22b3e47d7114b4d778bcce9c1556dcc2c138d1b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}