{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7435",
    "entityType": "User",
    "nonce": "0x3d5d15d28c52569695d19b107e3dd4596351613c68bafc88b62de90065614515",
    "signature": "0x6b42bb5c60ce4a7bd71e465a3c36dc94b4bbb5b0ed5e8c166d62b990ea560b90007194c1df0181cf92bce600240fe98c130690d97d9eb9843bf05b54c3f0ad0f1b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}