{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176895",
    "entityType": "User",
    "nonce": "0x3cd1f76eea0442e4b870579c9b480da6b6f5e29f86459a658aba6ca9391b7324",
    "signature": "0x5192136fb07b5d00883d811869f9a327a4821d40c6d4173cd8a7e6e02394c5a10ef8b83ff1c41e2a44eca8680a9395ca57272643f116e287b48dd1acf2d642f51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}