{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xd8721709020051cb8733429756151eadcce3baf4d92caddedb2b1d087244d7d6",
    "signature": "0x634a73482cfa9f5b07618bbf4d234335383ea09a6be51400ab2ac9a981291dcb0f6d1d055298d07e0e27176cabdd9f19a7079d19a01a9b8cac563f753ad650d91b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}