{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207972",
    "entityType": "User",
    "nonce": "0x9e20443efb0f07f5d04e70d79b746b30f446492c6d77886f102898fdd2282318",
    "signature": "0xca20c7a78052627364243aa47005c6c24095ae9cbcd0314cf5229162682356155458f92e17a64dfe5a8c9337426a82137d04be684616a799018ef02ab32c19c81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}