{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956935847",
    "entityType": "User",
    "nonce": "0x6e81bd30db63856762fbf122050a92cb6504450ac3ccf04cd8b94f9ed214ac3a",
    "signature": "0x01d6ba8357f4150de5cf0dc276b61767c99e148d6e714b071548ee4f8bbcd05e5f3809a44df1265e4b9cf3bb740e123da2d4d2fc40a23bd26f58b4129a913a221c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}