{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "728570067",
    "entityType": "User",
    "nonce": "0x1f84941672d6a885bcf151a4285bb9730083c5afc434dcc882dbd6113d77c972",
    "signature": "0x5799f7f2146bbb172ee7dc3873072fa45922c1dc870856060fb0db957e21c37a7ce765124f7c87a909dc075b82f436cc230cf4ca49b3d916bcf646ceb9b228f01b",
    "signer": "0xbAA633dfD19281ECC20a6b689F49CE8725d526Cc",
    "userId": "127651"
  }
}