{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4680",
    "entityType": "User",
    "nonce": "0x5e43199f3a2ebe55668d20ed738c9c6e217f34c9e5eb236d49d09c2b3fc03f24",
    "signature": "0xc479695e26f021744ac1ee1248ffe5f52830a50dec2d02bb0790a6dfc8eab6c078c541aa530c3ba968d5d971fedddfd9b1de66eeed423f4d5c3813e40a45924f1b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}