{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165320",
    "entityType": "User",
    "nonce": "0x8fe9fc36b0e4f7f47c95732f334a670e5695d50e89034b35b06013e78c621b00",
    "signature": "0xc83146e58a5207f18ca57b5eb91727df477f9e5764b860297da380149744043a1d17c5182f4cfafd9f1dde2af6896a7aefc9c8bb3db084e782c4de4e816c9e991c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}