{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53039",
    "entityType": "User",
    "nonce": "0x957724b80830e498df66b38faa3f172ba117a1b482e7305aaaee9eb15e4fd7ab",
    "signature": "0x441cef1af5b1b09035094a558fc80ce84634dfcde2096e15a997f7e2a282936c24c1de4dad34b9dce16bdcc1e65d67359cb77bff9b3c44f6aa70c46fa9d595d21b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}