{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213739",
    "entityType": "User",
    "nonce": "0x9eac15d3d9cd4b96fab7805237629a46b0721c86ad16a537b3a295b119918c69",
    "signature": "0xc0d5d8e3212cddf38600d18f32558d07fd6e999f1ef68292d562e81afd96337d1d29b96ca247c45c7cd32299640da99b1982711618fb8b936017d719d6d9207f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}