{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x3758839e103653c7000ec67435af8c29faa4236912427412418d1611e957fe04",
    "signature": "0xb9b3d19f82b1228028bbb2caa79588e8df7cd791aa31680afe3a2a1df5d6628c21e0398f178f7b5f5ccf7f3657920d8eca928e49deac4b38e382929f8ec529c41c",
    "signer": "0xC0dDeafa7a89C5C1D93A26D3A12a7d1978A866C5",
    "userId": "729568521"
  }
}