{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134032",
    "entityType": "User",
    "nonce": "0x7b9e5e7a562b4ea4ec05b8dd593e37c7afcce3d41b4d05f0493a591261b43f5e",
    "signature": "0x66c6e72146c705ae5cee14a13cb1ab13faf14cb9945bf21293070a3c901f96da603c743cf6766f1c1e7180b022e4587ce9797bf9665258cbe73fecc16f6b96381c",
    "signer": "0x854c4A8686DBF9495A2D65244b72C4A0c30628d9",
    "userId": "920432305"
  }
}