{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164496369",
    "entityType": "User",
    "nonce": "0x757d213b91437f331972a308fa9e69726da52d6a2b455d7c58c4d0d380e7002d",
    "signature": "0xdfba6e7774ab2c78dcad2b09fd34dc3fb20afe962005a869b95cd0e478e460b0347c7e2c7bc4d468d45a3ecc8e65b31d0acf51d715127bfbc963a5b939c2b7601c",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}