{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4e2372e2003fa1c54dbe5e0376223c5d9ba37f2bcdd9cb457be951809fbbf1d0",
    "signature": "0xb55cd324916c7d3dfe5b0d6042b43deadc7e0909c6e00b693e02461ea3fef03d2ae4378a092c16a3cb3f699e5829f7a9c0fb085dcfe4ad674063dfdbddceb6cb1c",
    "signer": "0xE280E847d2A686a5B17DF698d98323E53A33789a",
    "userId": "915319400"
  }
}