{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183840",
    "entityType": "User",
    "nonce": "0x65d5e9a36ec521b4e1172704e2439c1ecd309c12e8b885e1bf2ff89a034eb2bd",
    "signature": "0x8224c403029cc535687e4d670903275afc3dd3c91e480d6a3d5f335a028c9ae829d61afa27a7c9029f7e7cc24f362f3b67266e8abbd96ce642423f8ee81268901b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}