{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326067",
    "entityType": "User",
    "nonce": "0xe152e27efc01ad47b3080bafbe4f5f1eebb12993db5eece66c5fa17c3e050b26",
    "signature": "0x7a0ab59b3884b8f4593a0cecb75a965045429ef1a7d7e4df152920e4385efe1423629458336ceb32059ebc0f7abea7eecfd66b9aeca21b988bc7340e3ea5f8991c",
    "signer": "0x7a75a4f6Db403e120768B73C5e7dA9BD6eF0306E",
    "userId": "547641018"
  }
}