{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xe0db73874782cf4ecd0390bdb146c05c86616b46481699f3e78cb79cb4b6821a",
    "signature": "0xc4ad860190988e061baaf3dbde15e35694768c8ab10a99b8b13802d72a74ffce7fee7df5060d961cb34a5f507f8a22d8e28145048abe2ee06af906fccbe9c38b1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}