{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53994",
    "entityType": "User",
    "nonce": "0x3a0612a9fc061eb060c7b53459a8498833e3cf5386608757d8972674b9119aef",
    "signature": "0x8e172b5fb937a7c4e2cc2452364e659aed55f26014f3a241c9195abfc23669670b8c6d797b58a3428a68e5ae454b26c66acd8a2140f0aad69ec6f91e260075e91c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}