{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9b32a85ca74a01cf504e89dfd3a1128e538f4a2c26a43a8d241d8ba184ecd57b",
    "signature": "0xaffcb4fa4cdfaecc8eca3ccc44951bbc5650bf6904b919f4a268335ace27fa9e43fa99a344eaedf3ae721179ee8b548f55f1922f5721d2758a578934b7bd3c771c",
    "signer": "0xb77532E43B032270b877fD424A7Fca08BE7D6eb2",
    "userId": "304682244"
  }
}