{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1792211",
    "entityType": "User",
    "nonce": "0xda1a349195357d8a8415be03886ca3cb58f08d5b0c0c7e1f752a5a21f7f05c70",
    "signature": "0x32206db85d3e4edd9e0c69dc0b90ce6297e8b6a7bbd2e78d693e33c4a2be1d5f4ef5e1e434bbc51fece500104832fcfdcfdc48c6ebfb39b430f2e8aeb9aac4dc1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}