{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11480",
    "entityType": "User",
    "nonce": "0x04f05c8e1de5f561c5ee2db0e9f136062f9b0e816a173f0faa4d573272b835bf",
    "signature": "0xe9e91fc53ebfb4b7ec824e5c94becb43696f53ef521000a3044be96b91ef7b07281a84292464698bf4219cec2876246dd35a4a79073610e37083b5cb6aba81391c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}