{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xe7db3619aaf0a16b2de9cdc46fac13bce98c363753b91ea6c3b3ecbfebf62656",
    "signature": "0xaa24b682832c554ec6d2e059678c78e8beee31682198751fc88601390a6c6f417ddfc0220c9a0b79f992e6dcd09d4fb1803d1a8b33dd017ab5d0db7a14445bfb1c",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}