{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1253048",
    "entityType": "User",
    "nonce": "0x2e5e3d50f48049afb53cb130adf33bfef4a1ea53d8fd26e1b34360eeee3b6db9",
    "signature": "0xd2671c5341049be9bfc87bec182fd1c991591bb785f5ed537f5f886905a49ea203df691c9dc4b511a67dc3c537c86178b29c22594d76fd49638cb3e33893557f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}