{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x45a6b0b3d0662cda090de58b20db109d9ce9d20827673bc9468f91f5f3a2629b",
    "signature": "0xc4f843be34999256c4c9645707286206abc8f2d14c41698ee1a90e8959ceadab1c4d38e3eb4227f4f413538a0a52c5cd43b77e32858c58587af55e7a89f962f91b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}