{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1fddde9b22ca6c9ab022d73b17c406544d4e6cb2e5a77cfd01010fc28073afe",
    "signature": "0xbe8998e8eb594dad09e439701746941e33fb0ae90fa058a9eba4d75e70f57ae21aeab96800dea3fe4e2251e140ffdd47a65619352307a735eb1b721b9e66b9951c",
    "signer": "0xD1afcB973C474bB78f360cbc813764a2549a5bf2",
    "userId": "610582466"
  }
}