{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226155",
    "entityType": "User",
    "nonce": "0x2beab86bef692169e3376200dd9592cf4d7e6cef067b4a382ca69fd824ade880",
    "signature": "0x046ab959a86eecb04a68f9b21aa815790746771ce67a219deca21a1f27ea1b242bd953fc8de661b95bb4bc330338f239e9f99e0b8b5db27247887cf6c23df8751b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}