{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73497",
    "entityType": "User",
    "nonce": "0x31637e1b33c7450f13276f9ed59adeafabf0ca987a3826003ffc18825024f7a7",
    "signature": "0x982d3211ee5c06a51962ba6d2bb41acfac49fafbdf7a53d9185f5e3a86d532f40cc678d7fa6b801d0f26186fdc593f6546e82bcb0eae541211332e296a9226aa1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}