{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118209",
    "entityType": "User",
    "nonce": "0x3407b460558b08a6ac3fe50b8471171b1c164390fc4921483ec66ff4db2423be",
    "signature": "0xa40142be320cd4b02ef791753149d3abe47ee0ee961733b282884cb45c0a0a2f56cb5df898d5168373ec39ab63337c21917acd1848f30a98e72068c3c964c26b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}