{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xa5665978b70effd49241d5aeaf0f404a9250d28fdf93ff54fa19dae7cc9e5702",
    "signature": "0x86296cc705d0957af882a389f26a2f6f43a0a9a562bed512ea1576db420781f22860a1545531439826c429d8e266a4b560cc358ea3bfe2ba4759e43439ae84e71c",
    "signer": "0xeFC9B78A20535768B9d5BCd2702b853bd5C0789c",
    "userId": "333246"
  }
}