{
  "manageEntity": {
    "action": "Create",
    "entityId": "1036437710",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":283478,\"entity_id\":1673758253,\"body\":\"Emotive Mode : ON \",\"comment_id\":1036437710,\"track_timestamp_s\":103,\"mentions\":[]}}",
    "nonce": "0xd850546ee72ba2799b1b5f041b22963838f3e2fbd24efe500eda7a8be4e7fb79",
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    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}