{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0xc3e1e70a9d6904868a6e5df77cecd6396024ed20ff6d01d81709d191291b7383",
    "signature": "0x16310bcba4f28ffcbba12ed214f18152d35d9af03cfb4612b10209f6578439aa0a012f710a3423c346f5e1a6ea5a61437a6ac7a2079c3af61ba136869c0fe7b41b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}