{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632469",
    "entityType": "User",
    "nonce": "0x3fe691da52751e204cb51e10bf4312bc144c88bdd4e3d5e947d33901768726e6",
    "signature": "0xada7fad45cb21abe72e6f4427e54e13588daf7467059bcf97a4793e8c6fb22e801ad536fa314756ac589ac4a77d8528a670b9af71904702a294097a2b810fb881b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}