{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xee2bb64566f5a6bf980ca64e48a0e3bcb46ee9cab3df51be9006a7999e06ba21",
    "signature": "0xb07d5bb67154dc463dee5600da41bce2dd8d84a3ef37aedba6a8038be33cce6349c22e37a1ed6a4f914e22dfbe7f808fe2007f84e52c72c8c788e8382646fafb1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}