{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295291",
    "entityType": "User",
    "nonce": "0xab2cf5d807f4106391f9909bfb5ee99ec4058985e898db97c41cc130ab0b362b",
    "signature": "0x1517eeea3953b182faa9a25fbaf4f764b8e227d7085e46f8783509c3bed08f0e48357046a4a44e95ddfe5901c82ff024284df3e487b243c32b6ce73dbe7fb7731b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}