{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194087",
    "entityType": "User",
    "nonce": "0xaef00a0477cf823f1d9529c882cc42bc55f0a7e4eb6dadcc20fe431bbb1b7cbc",
    "signature": "0xfefc5760b951550b8bcbfb660e3af09169400ec533b2dc104eca1ad4578fc2c945f202b679dc3524868a38f4927752abefbfb7f226055cc813c69e8d5cc78b211c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}