{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xa79a8810e37295c2347d2909e50d1d6b3eb0824fc046498f061ec74919a10a3c",
    "signature": "0x1223966704001ebfd17db2592b264828161919e357782bb1a616edc8502d37e04d16e30ed74b725b9626e2a3756e2cf4a95ec75ea420a0c7c60e8e6b1afc33bf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}