{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x6d0aa1ab8b0d1cabd10c80671cd1b8e477ec83d1fdcb1a37c123a6cb72a6bf73",
    "signature": "0xfe9611a265c04f5c54bb2c1530d213336808601e49162a7a2d8a96cfb4d68ce67fa2d250ff96dd77a6d1856e3d29a89c53f0fd64965d70cb7b55375de4e178db1c",
    "signer": "0x07024945569e5721E4d506B01fB850443CF99F65",
    "userId": "871280797"
  }
}