{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10864",
    "entityType": "User",
    "nonce": "0xc7d668bcfb71e5de0fb0e6f63caeb9aa95a4b5b11cdfdb257c414ef6e8c7dc7d",
    "signature": "0x452315bdd2c37236887118c0338e74429ce500720dc5fa217abce35ef2145011167c99d87177cbb90ff56641147e056d2194bd2b801a896b04d182bd3de3170d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}