{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xb4a47850b9006865c815440cc40bbebce7df6db8e11e0f7a3f389549542a6ce5",
    "signature": "0x1fae74bfa7ad3c0781ac64b08f729c5586a685dacc075987feeb37f25f67b1da035c14f8e9bb9f2cbcbec4308a80e83bcb2cea1d88df9e0bca5af17c3cbcc72c1c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}