{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165951",
    "entityType": "User",
    "nonce": "0xa05f09a5029d2d7650e05e02ffd42b01a2e1c90082bf7a913709cd5d333a6ee5",
    "signature": "0xdf1e7f17dcee01c5bcef8937eaf1b1d13b6d44bfd780d3abd482b3508ce8a1273a3ccd2b4ee0e5fc9f4fbe116f1512a91331b333006884dfc46b2eb416c125031c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}