{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x171ad479444ea38c6ff4c0119eaa135be23f56a391f1bdb00848bf4bf00b77d5",
    "signature": "0x30814b03ba7bb671e62cc89678c8f234c72a821907e1912625a8756243726dce7b0cb60b5a2bf166b686d508d1900cb1be61ae3622d78640e0f8418d64b149411c",
    "signer": "0xC2f75Abe54443BaC80f6e53a97BeB0E4d3a71fF2",
    "userId": "639689916"
  }
}