{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x12487a05f32ce7419706af01915e46db06ed2e9a8fe1c4ac80465cbb36c2df8c",
    "signature": "0x8e8f9de9e89d6b1d593e442f72c4d57079a22ae5fa44aa7a2b0dc720c758199e7ba5fa65e4a7528338c051feae4c2e19a042c24ab3dc7d5a240a1aac5805e4cb1c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}