{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0x520873e27d60e4aad1c3ebd26e4681d9e067db6df4b037b87c2ec15d1f224d5b",
    "signature": "0xc41c9566d918831a201cdef103baf8f8c997fe175bd6434820b3266b4b7fe8791ed298e731f3578d6178436fabe8a82a2296f099ee65142b8bf724faccd288221b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}