{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261886255",
    "entityType": "User",
    "nonce": "0xac88391b222a5074331208b107b518a7a56613ecc51dbc99bcf9585f9deb27af",
    "signature": "0xca815b02b80c8e9038bc4920213cbc5dc8b0fe2a90f28a86d16176c85303bbcb295d7acc748abe4fa101e34ded2c487cf3be3c6359a7db21902c3783982ff3d21b",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}