{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xdd1f517fe84f23882868c2fbfd29f4e23a0af1f1c92a1ad9ac65789729e4f383",
    "signature": "0x4a2f2733cf2bde280d57d0782519023ba2ba00bbb2a6e79fba9eae27cd1181b440021980b2331fd1733c8801e57a310b98b1900ad835d7b0376a534b3a5252381c",
    "signer": "0x8db2094fa45eBf7ed9Eddf1777cF9302f0049C84",
    "userId": "792820516"
  }
}