{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230757098",
    "entityType": "User",
    "nonce": "0x2ea612e0261534dc94f3ed64353474cf90c88f62a0444fd65d395a75ca1ce1b1",
    "signature": "0xf7cea38beffe1effec348eff4a852954fdc45ecb5f445bc6e54281fe1c564976230b0a4b0bc4d131222654107f563931dd001a345cfbec215278d0c898d5e78b1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}