{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x93e419f3635fbf4e4cc4bd51c2700a1e67a0a6e15dfeee4e290cbcae7653cd6d",
    "signature": "0xe519ac604961055ed38a2b38a9b90179bab53327d5f590df796ae68e573cc44900bcb37a3f53b37082aff9e78882f2ec4882961cffdf6e1022c70b347f4714661b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}