{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0xd5aff72447d4122e89bb4276b8a50a6058dd15e61d6e51670952a5705669faa4",
    "signature": "0x4d80eddde8e6ac15c3657eed61b1393368e1f2078f752cdca5ea90428d47ba9d5cc48e8a65d4b5137a45a62f53f558cb9f8c368829a3c3c64b2588b5154b2d8d1c",
    "signer": "0x401225235d5AeCc31ddD1200b6A5597442b14a9e",
    "userId": "41709426"
  }
}