{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695524756",
    "entityType": "User",
    "nonce": "0x6d58982ab80f1af8ca7acccf20aa5f0dc9e4d4f65e19ffef10d05c329e7d17b6",
    "signature": "0x3c6245bd6c06140f7c0e77720e34c71ecfc085fbac7ce1344141dcc0a2f958fb348c6fb606045349b378e6d3f15e95b6e94bbd167a47c494b93cdee1763e67cc1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}