{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224685891",
    "entityType": "User",
    "nonce": "0x6c45c081268f58aeaa93f70e40cdecae226b4d952e17a30b565231dd4222cd4d",
    "signature": "0x1ebaf4c0706e275aad9381b8f2df2b7c72e045a7cd7beb0081602069fb17ea2c74dacedb9736b29c5eb5280859cdc092a95b2bcd6025173051584e47c2bb6d251c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}