{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1458087",
    "entityType": "User",
    "nonce": "0x0f3c316996f5cede1a7c5b26f456149739cd54b681bec86e7ca46e70c7b2f8ac",
    "signature": "0xf09d103fb4d0cf9a2d82142cb987d580dcd166f641e53d2dd4cfe46890b1c79d71c6b2313dd6449ddfa9cc0340ab816022f0f6bef7a09a879fbd7ab07eb3348b1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}