{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205159",
    "entityType": "User",
    "nonce": "0x7587331f32552d48a3c783f69d7b24f8988fa7bc690ee251e6c30cc77b2e47c7",
    "signature": "0x24641d6e2b80e161fd2cbc9f27cb379c2f7f731a88abd91f387c64937bb009ba0cb502deb259627d5e3e2f5353aeb920a1f76b62aa4b4cf7c6e76e1629db3ea91c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}