{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987917950",
    "entityType": "User",
    "nonce": "0x812270350d57c186213f41a46484b933250559ff48ab2ad8587813683a5c6c02",
    "signature": "0x5c9c44bc42ae6714e75cfd3ad8f0c758d560f8a2bcc10a5e5f4edb27fc12d4b63293ec1e7dfeaec131eac2dffbdecc62c8d13e76e16b563de4d61d52e89b3cc11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}