{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120104",
    "entityType": "User",
    "nonce": "0xf6fb0f7fbf1c0bc8b77ce31ba287cccab0cd91dccefce5d17276ac0c3138fa28",
    "signature": "0xe7f057854019c5298daf0a73fd14ca0124275943dc231f035c4cc440860603081565b7bf19b02432d1e55e2beb79384985deb68b2ba875b9f58146a3be0724881c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}