{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56604",
    "entityType": "User",
    "nonce": "0x26e73203cb9df457d50407532c2ec2f62f9dc3606d90ea5f00706da09bd5f365",
    "signature": "0x33f8e3d708bd3c5bc4a31f29dcb80eed29392bbd0e11a25dcde8f77ac5aed8d32c2000147cb0f2b2bdaa4bb3732f16a5a7fd045f2fea4b879ae20232671820351c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}