{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x2d68e6cbfce00b166cee31026ef9981f182b8bf1c0762308735d3cf6a8b3d9ad",
    "signature": "0x645e73fd3e2d423c4a07fc0d27db1c59f7d0ae768ec2b0d98c8860213ac57fa821303882569c680c24d6d60b9e4fd35535355773d5492170ebd542c074b81cfe1b",
    "signer": "0x630980A3A6b695C7099AD6f4D467D393A76106Ff",
    "userId": "315465903"
  }
}