{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0xe9e68eb9dd62f2b13ee8bcfa4a0aeea212bd38529cadcc09a932a5669b12fae4",
    "signature": "0x03232998e86f6821ab19bd613351d7daef392c791e9408813e8e0d0d26baf14b1723c048f92a31a2283203ef2fb771e7d94db8c80bca6f7a9f31eb2fbca5c5e21b",
    "signer": "0xdCf33EBB5e7b84FCB16F97A7F4526df60c9fa632",
    "userId": "455914777"
  }
}