{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x98cfb84ff24a5fc95292c7a88a21e63b6b607c7920d433866799d9476e9daa86",
    "signature": "0x3864f15a98b52f3d1db44262315feb62414843f93233aa87df769ac20215e2a22ab6e15a20f7973b8268fb7864a16002f23cc22a168b67bbbe7ad12b48f743931c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}