{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106123798",
    "entityType": "User",
    "nonce": "0xaf115204b5f847a389da5a150ef4ba2ac27f9fcf73b46c207dbb9990ab0a593c",
    "signature": "0x85fe57a95b6dfdb1b7fffce7f57dc16f07c5185f9c41f014df70eb48e10a47352c2c578ff109e3ba7b6d06fcd752b3b60c04db541d0da48e8140ccf36d82eded1b",
    "signer": "0x2185bb35D2ac3cF4fe2151a42A1A5183F0e5F7a7",
    "userId": "540060228"
  }
}