{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "741760",
    "entityType": "User",
    "nonce": "0x2c86b55870f3c0e2a86a3c2fd2867d991ba147ef9c6d88c55f7a87abaadd5aa4",
    "signature": "0xbd956e7b7604a1cef27dfd68e0f41faca7687c5d5af070aa2bfbbf0a47d4059565b55262b65f54ff21d7d5789b0fa336c0651096a758c24cd3c218d031ed1dd81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}