{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2127",
    "entityType": "User",
    "nonce": "0xa65a90556fc951bbe68bfbc70574947c4f7d7797bb36b4761c90aec822b5a2c9",
    "signature": "0x67f2e22da729e3f09b4e96c93ac5a3e8e3311cc0f116d11f094676991946df9146ed83191de2ce539f19302284c6e4b2b1d25945db190f81af5fe322b9edd4861b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}