{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb1d842ccd83cecae986724fdde6553c75f3d36546d1735126561dc42f7f5eabe",
    "signature": "0x11d8711c59cced575af08d5490eaee1303cbb6b38ef2e2dc88836d8bdacaa7cf7b8038f4619fc7460461e83418d7cdea2f3a8134d8402c0c89aa31249b5945361c",
    "signer": "0xaA0cCb7974e44B076aC0C2194017dc2a2d61Ca6F",
    "userId": "228112980"
  }
}