{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x75da1c1ec4cf07bf256f4e1e6e27d9ef0a84b2887a4263c734390eb22d40c9ec",
    "signature": "0x4f3fc36841032195d389acd8ec21d97a77c252a4c7486e7193cbad98995dfd424463c9793747b08f6d3141dd3d7a25f910c2e5768b4984c2dc6568e3fdd93fd71b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}