{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44546",
    "entityType": "User",
    "nonce": "0x9a80e147b02760fdadd0790351402ae8c49f4139fcdbe956ab6ce97fc2450dcb",
    "signature": "0xf5f7d9e2ed2c484e545c1ec8a4063ab30265f7d1d0bdb70ec8add756677c4297245a0d802ead61629920ebc9e418be952af1ce0f675fc77d9247ebe4547a4db81b",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}