{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xa496c463a27ad4b4be97f86145d1a32007a561d63cee1a75868ee340bb288ad6",
    "signature": "0xb37b5cb7a09a6912c9c6c2d817fecbf896710641ee46503c142ad87bd76f382615db8b0219f8db9cfba449d3ca7efd1c56b58f27893854f6389b590dc1b963781b",
    "signer": "0x6FFe1439635739f39c45fcfBB06829c5E9D8e5aC",
    "userId": "792741418"
  }
}