{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x1ff899feec09844fd8382341927c55c5b84bf0fe2bc9cbb8136dd53293e47c96",
    "signature": "0x59bd72368ae7e87f5ba3d0754a012a208aedbce9cd040233b8ea12a36276179d4d6e975929165c1265d54591beffe082e0a856639a2a08ba7ae5f0e9f730ea961b",
    "signer": "0x004B5417Dc7a97C6e4fC91824604df56Ed56C52C",
    "userId": "835111870"
  }
}