{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901788935",
    "entityType": "User",
    "nonce": "0x8bb647a7b3a3ae86d4b9e0bdd241673b9d37bf37d501661b1a62ebc2db6d06c1",
    "signature": "0x516fbe68dacafd16af3ddfcf12855821180dffe498214c2875ef2616de8a3d3330a410466b65658213886d6a609861182527eeca73820336f670fc9bc4b6e7991c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}