{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0x29aed5003bed4448157efbdd2962dd548166fc9ca2ef036671b4164a34dc2220",
    "signature": "0xa2b04528c9054e87ca68278f7983d5846688869cfd3c1fbc108d7bb91c4f26c6754d19f3a4e60e43089851771fdfb0387e26ec2d0e3bf03970ed037aa8e6749c1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}