{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11202aaa9685e7d03d0bc62e5fe5353b6b7c6b6342271be80f7621472c0e956b",
    "signature": "0xb5c3fc51c9163e63619626a74dabb982220ea8a3fa9b03f870b7d1cabdb45db010551a6e1c38a77fa4dddffe9672ed8254f9496d132eb44e4e9750cfa2d3c9881b",
    "signer": "0x2cA92217E7c584c6600079c0d6B270ccC0D93710",
    "userId": "834782221"
  }
}