{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xf2a37925ba70b967d77a1f26202447585eac28fe3d8270ebd313172b76ac7c9f",
    "signature": "0x7a4eca04f5480bfcede366107dd32fac5471ab19f517aab27beb40f361a7cf4b4ea479cd5120a6283a0257a5134fd32672678657c7dd2bd6f812b44cd6e63d051b",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}