{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319704",
    "entityType": "User",
    "nonce": "0xeee9d48e2b084d05d28215babdd4a5ff3347e3ae6bf46aa03d264346a0430777",
    "signature": "0x0d50ef28e7ef0f9001264be2afe73bd891f9dd5d90b2421695178a49dd1ae3f7065122c1874ae13eb0c993ee18983d11af1504a4deba1fbe0d03680b84e308fe1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}