{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xfcf3ad1ca7edb4e27505af2352b3db33a19f9baf5397dd3beb83e2151106b5a0",
    "signature": "0x3e0b190bde6f5a1bc84976ac94e275310f219a2bfb7d9217c8977ff32d9f05816c1dafb2a4f1302cb48477f467222ffa663e2b64f1ac8eeb2bebe76de212cc6e1c",
    "signer": "0x5FB1dF0c125C1F3cdda251a598Cb878a0A390F18",
    "userId": "25189733"
  }
}