{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39727",
    "entityType": "User",
    "nonce": "0x16fdd4ca7e478d6dc423a5c2894e7f203284ebf526e00f02a163e54c06a41b3b",
    "signature": "0xea6b55ea0c3e09e70cdf3f4bb169d4e7704c8ae96a29977446adb92e4ca23ecb32790e04e7b76280c64281c432821b3d4e31af1f2db1578ec0058ed72b4cecbc1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}