{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961795847",
    "entityType": "User",
    "nonce": "0x82586563da9e98513a483133d73b2ebb1e964441ac6cc1bb37d110cc9558456d",
    "signature": "0x15a80103845ec50a789538ef86ba020e6805da0de73a68c45021b3164a599953707f961651357043bc6b6d0ac0ce3db580337677a6272ad695d144b4711e72f31c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}