{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13772",
    "entityType": "User",
    "nonce": "0x037a0cc2da5421adaf8458bc8132676a12d85825620fc7fcc17fa8bac7ce7d2c",
    "signature": "0xc32c99a30e36e82eb81286a63a77a7a8126e21a1656572384dd58f9082c782b400c0c23e183d4202451d3829e993aff87cb4b27ff020214a0bd32e450ae6300c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}