{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xb1f1632b052a45a978c3c741251f62f6d85e452a7a94a9aecbb4d3b5fff1c631",
    "signature": "0x6515f3693ec427ba74370c9e284c57d1d19351850d6764d6db30f87edac1bf1744a4ce3d95bf124e95b84e72ede01530dc5d1c432fd87beafaf9496c89fb3a871c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}