{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0xf301780edbcf9802c6d16685b73481d48c128eeb82b7a8be2fb24d0a586226a8",
    "signature": "0x0451ebd425bab9d294a01f8b62abc09f2125d82f259cbaa91e8c0b364524b6db44a09d7b50857c745ca3c0498e515df319eddff8e0e81cf916dd870742a1177e1c",
    "signer": "0x488e8Cc0aa4A4A170544982D50B2616e42ca6c67",
    "userId": "386938284"
  }
}