{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110729",
    "entityType": "User",
    "nonce": "0x8c9e03423b44b188e15ef6f43b39df4daba7428b15610125b7880bf5f348a374",
    "signature": "0xdcc8b3e20e04e5ca24e7b5ecb1527a0dface15dc8153cacd8c7d60fc624e994e377910e085bf7bd963dbad30b46474922dc7844d8d80575a06822cce0b348e291b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}