{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20671471",
    "entityType": "User",
    "nonce": "0x7dd18d15e973921f0d3a475dfd7d79ab3743d9bd9783934076181b710dea311a",
    "signature": "0x19a26e45f277cf7b58fc5e7449e4f6a31b828c04c417023b4651bc601a2f55851d486c4b2bd1487773c52ebc77bc12d3f05f4b721fae94cdaf777af5b42330e11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}