{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x83c46fed1f6e72cc71d452a2a35b4f08e7f02fc402fb4332d7033c555b07c937",
    "signature": "0xb2648d6983ababd0d4d285d06229b6547f1ad4944974a2a4b4064ef3ae9fa39d7c9f133e0ca452044b6646e536cc8f06c3fe69013de47f0480d12c4d6c4fda401b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}