{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686476",
    "entityType": "User",
    "nonce": "0x504db473af1693f2d540b808fac6d5a54b28617ad12b47dcd22920db496dc8d4",
    "signature": "0x4c3d45728419df2cfa26db757fdbe7ee8b216e2eb45880e6e912cf0655942359554ca5f954ba1e63cb3253f33bbe0693b5412367653c62242a28659831d7d0431b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}