{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22023",
    "entityType": "User",
    "nonce": "0x443aae1128eb989df92e718332c246c9a65acde7a4d01971c3e74735b4cebdbe",
    "signature": "0x063b954abd6539fdfe2461b3a385b0cbac307943e713a96cd151845a7790289d6e7206f870f0ee141c1ca6394731ac0d92a912ab605ee0975b812795000c73d81b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}