{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036802",
    "entityType": "User",
    "nonce": "0xb66dea6bdc093485f82b7e47c8cd972a1a40c8d778e3e338621054ab75bf1f3a",
    "signature": "0xe9ea58d465f3d5663bb8db6a70c8dcb7763f60939f4eb5bc184490dee1388b1961096d63b69a8640c69ca255c7ee9a60fb5cbf8ee01b88351501e04326628c221b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}