{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x28ee8a35a34f08bf6e23e23f460ac8dd3641ab142791e9e033fe9c08083ff330",
    "signature": "0x1374995efbd04cccaf556d0a5aec6c8de3013adcebd2e558116af106cb2ed4a65e2bce3e135dcf5e969f1cce56c3a9447e1c68c823b62708ba4c4b28a96734731b",
    "signer": "0x4142F178fc27c3DC53f1012e505fBB8Af788a26d",
    "userId": "802455146"
  }
}