{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78586",
    "entityType": "User",
    "nonce": "0x31d6c337757e6d78ca8708151af8536c34fddb986433e24c0e6ddf558d0ae91a",
    "signature": "0x1ba84b47e27a7bbdbfd6b369978ad18c6016148560200b31a32a89e8dc9198a026088cbbcb25ac581e0e693d8006fafc5c21481d09ba65e098411d9acd1783b91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}