{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153076",
    "entityType": "User",
    "nonce": "0xc5aa4113b5f81bf49b5fed1d27c120bc6dcdf9bd67c8ac044b48700613216bba",
    "signature": "0xf3f9aa7bb18406a77677f536b2c382442df119d66506ad928d73dd658503d1ce2d9c737998a9e058502dea01baa4015e119a94a2ad9798fd01cd0ebc740ba2821b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}