{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39935",
    "entityType": "User",
    "nonce": "0x1f04bd3b10936a2df3a748d59ff6d14fcdb24f8f6dcd53e41f4e4bbf760b4c15",
    "signature": "0xc16dac0c738f8c96b4e0ba0a6913688b348fadbe5d402d93f3887058640f124b2d376a01937a618fb8948ce309c5de57b7031e2fd8911659e0d4f52b6325177b1c",
    "signer": "0xF83f8804040D884fCBAcD57d4Dbeaa764176F931",
    "userId": "455502808"
  }
}