{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718327235",
    "entityType": "User",
    "nonce": "0x4d3e7c8c96a86ce1eb3d4f0715caf874c1e83e25386496088e1efde1927f280b",
    "signature": "0x457024fdca1f6d8e7d6b88bb11b4760a666c05c5987864639501c6c8fdfc1a9f5ef36b733242a49c5c3ce4594729c57a73abba558e86c9b801f89b28938a44541b",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}