{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xa0344e82071a0cc12b7f100e17fd3ba42786254a29184cb31c1f221b49344170",
    "signature": "0x5de2726f25489914a81b9d20303eb486126f90a68de5e301c1d00e2f12d8b94b55dcae2c3ecf9aa450abd57f67fc62f77b694db79f3096c46007cb7954e56b711b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}