{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "425288660",
    "entityType": "User",
    "nonce": "0xa6383b852bd80db001b75407c4c9ae4819c06aaac313d66c6ea87b72aa23d60c",
    "signature": "0x0e80ced53db3d60bead102415a4178beb58a7b2200ec07955f5f5df80a970e282f715cbd38898c21aafbd906bb47de400b0987cebd48d5905da2fad96513facf1c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}