{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xd2ab32505e2c872c1266daa412fc277b5e62f149267db1c08d5d80f7c4869fbe",
    "signature": "0x84e9f4a5ae6ad2d083b89c9f08e7fb50f18061e1dd33ac2e89bcae675aead04109da71e71064c3037ee88943d95d0341fa2416d0090da0a40294018427db75521c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}