{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0xcf89fcb6b16ffadb7a137b183395071013a17c7ad1932850d48281ef2cfa49b9",
    "signature": "0x34fcbe1c559386620c2ab1bb233637e0e9575e5127782688fb7213d561e23d096211c7eeda7e83bf981f0fc29f91071f980153f4abda2260904fb9143731ec5d1c",
    "signer": "0xc57645346D4df520211Ded3E5Dd676C1E3a8746C",
    "userId": "546166252"
  }
}