{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461592",
    "entityType": "User",
    "nonce": "0xcd7f508754d891b1891e5acbd2d9361a216b961adc5a74e437c834654f9b1a1a",
    "signature": "0x95f406a92171f6dd7e4515f68c9bedcaf862e134f95af1d3b38b5f3ecdd7b5cd7f5cfaf4d6d265a3a19613c914a671bc78c84e640a2d7453a8aea8d4a68105811b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}