{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "859175075",
    "entityType": "User",
    "nonce": "0x69fac7823a957fcf58207d7c92c509c03bcac6138e8a282e108f421860a3b095",
    "signature": "0xda3f7b049ced3bfab3b0dfff8f8d21b495c0d507b9d13362afd6b13a6841ae1444a8585cd534ce0231f81b2593e6b23c0b8d091f5be644f6d37e78ef9557572c1b",
    "signer": "0xD734eD686DDfe4915b10db6aadC4EaF015A7F594",
    "userId": "432395000"
  }
}