{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206655",
    "entityType": "User",
    "nonce": "0x3fc46bda2693fe4e9279eac49f3308095cb79af28d76e1e7b672058789c35649",
    "signature": "0xbe39024133640c13314d19665f9214970c3e2841172f2d8dec734f48a7ca44d52be23cd85cfad59c1a412825078549682aaf724ffeea9cbc5f3796016544da1f1c",
    "signer": "0x607C0B504B1190F4Fa45D4712D4449C62F7224E7",
    "userId": "870305968"
  }
}