{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315580",
    "entityType": "User",
    "nonce": "0x5804135f46f029b52eb0e051f62be85a968c3f15f767ba74da0ec454df452c54",
    "signature": "0xde83fe8de7cdf20d4859cc6d2d32efc9c8f8b15ba15739b0e2eca19beac9a45e260034dee9f3fa6fcd7c3d122319648aeaf67363de151611907117c71306862a1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}