{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125730",
    "entityType": "User",
    "nonce": "0xdf6c6ed5fa8384e146dd299f70f37e7750854edc76734a3d57ad7c24620c06c7",
    "signature": "0x4d9192ff648cbb56478632d21d030ac2bdf90e89ba3f4f98094219990c35f225611439ba5a154c4ff9ff45e8e0ce4794c716974c9d6a4e4e305d886148ef03901c",
    "signer": "0x85F3dE6E533ca5A34C56A0eE6d30251a26c4B00f",
    "userId": "846467322"
  }
}