{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381286",
    "entityType": "User",
    "nonce": "0x0cf6bcb253162d36a435378a82ded566d08798dacc5ccf74faa3992756f0ff3f",
    "signature": "0xc50030b88cb11523f1fa4e0e410ed64b40ed9fbf1a579ea65cda9573daf66a9c46e399e8bfcbc7abd7319c228dc2332c3d571a83a89c122e66c3d7182ed82a871c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}