{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77084572",
    "entityType": "User",
    "nonce": "0x47254c5f4a6a62360824206166e6cc746aef4bb89ae6036e7b1d7855157e7ae5",
    "signature": "0x4592d712f6894ebbbbd0a0e6a95089a9718bb7204953606c1b3b744603f73c5e3d05f82c1490852d5975bd057a37e0423b7ef98b4fab0603a781d2af63a4d4531b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}