{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0x6a32cb0c39d57ab2726b5f49c15799e22511c69f58cb830464eaa82667ab680e",
    "signature": "0x8ffd9d19239f35f07ab8a81aaccc46170d972a1b235b49a247a3afb7000924ff750bbcbb650bfe353fdf8c157e7e7cd2974e4e2d7324af6bf910c78b4be2b4ff1c",
    "signer": "0xD2Aac9AfBCCCD7fe1cE86a4b23E8e304cBb38aD3",
    "userId": "472132674"
  }
}