{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133953",
    "entityType": "User",
    "nonce": "0xa5d87b655550a6b090d9ca9b0a4f0090f1178270cfaa3cc609c8c98ed210e633",
    "signature": "0x2280f642cc9d6a2219b3db348f975a5d06d4b28b0408394fe03ff66a493f2d716613a94cde7a17713b64cae73b68b7da0686c5c065a6ca4c42db9f81e55051f51c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}