{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389569227",
    "entityType": "User",
    "nonce": "0x3dda4dd913e81747df41fd36aaf9aa18c9d96ec0b45b1cb2a9f143bdfd4379d1",
    "signature": "0x633dca2281a5a0f3176a67132611382dbba855bc87f26f5711d0f08f26c3a07d33c85fc15c6ba65cb7b01b260dc319b9b69dde44e3e55fe2beb50a86a8c84b701b",
    "signer": "0x1c1Be0a4f194E6158e5DC3d133B55fC7f8867Adf",
    "userId": "214494078"
  }
}