{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202423",
    "entityType": "User",
    "nonce": "0x2c5819ef854ffdecedc5bdebf26f1cffe531afb5280328b1ee0eb68620010e2f",
    "signature": "0xb66d72028cc46d3572d20d7eee3933bba415378427b6707692ebb740a9b362021f156cd82f228e5c8f25187e031332368a65db37af8f32b89d0c40001279b6d31b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}