{
  "manageEntity": {
    "action": "Create",
    "entityId": "39070147",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Hey! Your track caught my attention it has a really nice sound. I think college radio could be a great way to introduce your music to new listeners and give your release more exposure. I help independent artists with radio promotion if you're interested in checking it out: Julianna B Fiverr: www.fiverr.com/s/p3d9L7Y\\n\\n\",\"entity_id\":304327}}",
    "nonce": "0x31c5171fb157c1301ec6f1980412592ff87770abbfeef9688b6bb2dd52795b2c",
    "signature": "0x03c1d440efcba5604bc54081cc9ec42c575f2e1228452d26372faf7ab194697377d15f6347bfb8768e698a44c2318d7f90d992ab58dcf9097ea68c2b066c88481b",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}