{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x41f9be108caf2bb95b6b2eddf3314703113fb9c53f730fc29e0e806164a25345",
    "signature": "0xd3843424ab5e0104679e3e951c633ac0019a0d9c992658c3f4fde6dc92465af410ca37a29afc5460543b27eb25c874b093e3d3864822eb025c1af8adbcf17afa1b",
    "signer": "0xFb9294627fb41f72bDfDECC8f54CfA5d6aC07098",
    "userId": "583146995"
  }
}