{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13747",
    "entityType": "User",
    "nonce": "0x433d8b4d2c194a1f8d9529e91dbccd5e3a9be326f65f8f403581ac4425e52de1",
    "signature": "0x3faadcabb645a69edbf940c348e0af5892bc500bc2262d7f1ec21a6d6dd322c43434b467564e25a42d11d1e8d1c46e47c342fcbae50d8aa716aeb9851860651a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}