{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x6e8b1f2c84887807c116a98d55ac96bc17e33b99f7cb3940fbd223f44a0e255f",
    "signature": "0x3a9ad20aea1801f263b7fd108cdc3683833a9bbe4310b4725611c31a6046ebae12835a138cafb59418af73865af4255afea8bc1cf8c71f91d3cc7b0d03db9b191c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}