{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39472",
    "entityType": "User",
    "nonce": "0xd2950498c2416402cc2695634cc4c7e75094a2f350640c7c6cc2d23c110142e8",
    "signature": "0x1887b615ea9ff28eaf33cd757a670bcd7914e14879ae0e6e255f4badea6401b709b1870775c546b090823c5ce36df097a0c14d41a89ae3a8ad34de0fee15b6631b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}