{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0xc37148d5664b5708365ef3d9160726e4fd1ded2e93a3bda64cf9a50c24fd16b4",
    "signature": "0x4758e314c67c6388fe3bc7c8811d02a9165c18b3729b7278f9931c990f6edb243c72e655cd1369ab132b828e7fb9fdb7e8450dcfc1e0ca30048609fdd5aeae131c",
    "signer": "0xd9d4cF91e1f5AA6f2F8599662a7c9b5896FB2a2C",
    "userId": "289632107"
  }
}