{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9803",
    "entityType": "User",
    "nonce": "0x3f637159c46d7c06dc9efe05263340fc67652df8a6a1c52b533488be8fbfc02f",
    "signature": "0xa81f9baba6c2da1a7255386884fa57b01d67c8bf0b8aab36178ea3dac27bf30667fbc5da9dbe63aca57da93f33ce8b5c5b61e73fc8c17715932cf15cf012df321b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}