{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x3a28d08d65c033de9f7343bf3eccf3aee0c83dfe534d9cfac58a6d24b110d6c7",
    "signature": "0x8053248f45d918927b7b0748782b44b453a17a17bf1423b3873768bde4496c23183a6f857ae121275705c205773c124776ca903e376637a389de088518b5f4d11b",
    "signer": "0x4787CE03de21Dd66aEd548B5eE0786E8cbEbF804",
    "userId": "768321185"
  }
}