{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220244",
    "entityType": "User",
    "nonce": "0x7fd0c03379091c1275773bcc4679ed708874e1ba7d83dfb796f7b06ac606be15",
    "signature": "0xe1f136a55e875ecfd43f8d28d5598d0562e1db4439518ba628593452216371581ea994ecf1ac8b7869cf9036b307bb9aa90f9df4ee018e31298d27508b6e10f51c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}