{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387982",
    "entityType": "User",
    "nonce": "0xc44dfab61440be756fb160d8d57173cc281d49d3c0626a3958b8063f9a5886d7",
    "signature": "0x7c64aafcc6f72fe7a83b24919c1ff1932410b1c22cb7f8699d939c86980051c815ad4cc833f4303b2f26799fef5bb35412b457bde3d8708c73c3162d530ee63e1b",
    "signer": "0x98BA64d35a9efdEB920F1387731aC9cd77D0eB72",
    "userId": "808761895"
  }
}