{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "771131264",
    "entityType": "User",
    "nonce": "0xbedac2a03354a934a9f27df8f7f037b8d133f1a98913ea9f096f08396552f8e4",
    "signature": "0x006b6f761d8300878e2a8cd301bbd5551caf521386bceb19bfc3a3061581c0b32293d2b1e0784699a258c0805ddba8a52d4cfb872528615858d301aabdb0a9301b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}