{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xf169df5e5a92a8be6b265dee52f30e93a755577981448e91f7810031d54557f0",
    "signature": "0x37819196ad213e5f66ba832fb495992bca72a8226474b1fd417930e264046cd855522cf830d7e42d11c5e0d8362a1af39dc0db56d9517beefc585bbe92b056401c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}