{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x6412d0d3ad3a1901777f4875c3651976be38d0dbab9ec68269ce23c444ab6edd",
    "signature": "0x797333f630d10fbb12cbaf84de5913e2e9f2580b46a9843ba7436ac64419d8715e113d00aa2b1439993ddef939fdb2356895a24253b18137149a12e69c40d77e1b",
    "signer": "0x6fCF27923aE49B784D4ddADC3b0295b49e8403f3",
    "userId": "503591447"
  }
}