{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60796a884dfd55a17b333fd283e9242e7744d7407ef745b3211a953a68285b4d",
    "signature": "0x65763970c75dd41eb1bbeddcdc5570ea17da6479ecf56c4b1e27aa94bb348f1d407014151fc3a0bba6744e359ad3b82900faad872ed363cf93e6e0762e3cc01b1b",
    "signer": "0x98Fed471E66364fa74b653B3f40d95A54F14bC39",
    "userId": "984084668"
  }
}