{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67507",
    "entityType": "User",
    "nonce": "0x741f19fb173dfe674d85612f5b04118e974ca24d2011278067b4744c9deb1160",
    "signature": "0x9a12104e08b4711ecc239c8b2e770fc993fe018f73375c79a5cbf8cab24e18ed323ba213a6360e9a4af838e38b2f09a2dce80c3dd7a094804d5200bdf3ae06891b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}