{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x55c307c3e1f7d71285d062f6345dc6189433fbad122c4176008b594682dc96dd",
    "signature": "0xe9262f4ad1f7048669158e03fd9793cc9362092cdc84cd5c62662e161bfd730c12908d07a1cabea8c48beab71e77ebb57111d081b80ece52fbc23350226031a81c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}