{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602835811",
    "entityType": "User",
    "nonce": "0x6864e0adfe0bab2c5f53638d3b2e04b138ee3d9cb3f28c349a0e75fe1ebbe8c2",
    "signature": "0xbdeab17af6d3d2574cf94cf253f52981d5ed5a1b3f8beb845b6e6636a44d54dd7c54556159869d49dae2665c352bb20b744319197df16de9f039246f41414c791c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}