{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11783",
    "entityType": "User",
    "nonce": "0x732907408c39679fca802f188759feaa73f8767608193f5011ea76fec18924aa",
    "signature": "0xc907bbed9bf526a1f9dcdb791c5c74b07444a89b919e58d47d7b5432624c8fec7e30162f15e8ef24b60dd2d2fccaa4bfb74d8ae5f2a2a7febf28146199571d8b1c",
    "signer": "0x2b012Ef37cb9315271f0AC801DBbec07c0D4578d",
    "userId": "506789556"
  }
}