{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xd8cf0361849ab55cbe5f9b064823643136ebcd1a363089482fd64cecf591bbe4",
    "signature": "0xe1e814bcfef9dbe3d86bca4b203492fa97ea1d760a5c8e40d6448d009e595ce82edbe980147e396f243aa159821efe4e5fb46790522fba1cedfd87c7aac57a1e1b",
    "signer": "0x5825943B70b58adf2D3Cac06E57e695F8650cFfA",
    "userId": "901870302"
  }
}