{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x73c50ea79b5baecc9e8ef7d454a13a2419467b5bbcc3cab3c1912c2ff9bfffc3",
    "signature": "0x78a7a26e204c53b3740a50889a71168982ad5c6caf71a544d8b4ea1d260dd5192e2e37e2ab1c1d595c7e257e7def58a6df91d539c12d58066da1edb4049b61891b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}