{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "729269",
    "entityType": "User",
    "nonce": "0x79c702ca66f16c77cd8770f7d2cfd7856e8482a514e90013ddc3a83381c1a86e",
    "signature": "0xc017cdeee9e40b4cb98f232c112f1495a1ef34f69ef9ddc96bfc4ccdcbd2364c43730708055aeb79a9f2161afd9313848cb1b20bda5d24a2ddb13138c0635d3d1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}