{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x9aa7172e7f08007aa0eeee5035300442e3b847869efc52d759a2595210c428da",
    "signature": "0x70d49edcea4949aef025985e4eccac33a15a2fd254931b3318b5beec3b58af64202d933550ae6ad3c484a2e50cf20e395477988f277eff15443b5488c12a0fb41c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}