{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191130508",
    "entityType": "User",
    "nonce": "0xdbe6fbc2f4f4cfa664e05749252887e4862063d879bb1c51e3c2dbaf60ebb719",
    "signature": "0x36dcd6b6e3076549231561fdd5329a8a09dd5a81ffa8bc4ad777c68bc5a5bf2a2d2b34af26a02122099f60c92a2dc129e08185410f5cc48c7eab95d399bb5aec1c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}