{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x824808c51c942fc427d74360302c4c3563459a25b02bad082cab40e49823a9ed",
    "signature": "0x6736a6f796ac5db1a2dd2de6da85edbe0f437c248d749fe088da36d6866b396777b2c2a8e983ff9d82e5a78856e11c294b78ecd5a7697b87d498d813f41fc37d1c",
    "signer": "0x6B3fc364E4fD66E8aaD9cf933429F39b6C971b15",
    "userId": "429038292"
  }
}