{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445042807",
    "entityType": "User",
    "nonce": "0xad789f2b2d261d44ab3033b73f767d1a4e26d30b82c8379db810e7153a65b121",
    "signature": "0x46569aa1041ab2c5d7a2149e03f1f7e45104e742363543dada080e53ec26a14f23c44aae7d5a1c446b2507d0b13bcfc563833726cdb1e911c07b05bd439147011c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}