{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x899faf05b86da63c1e0638a9e4bbb46f8f469129b4c885670d372f73cf435a77",
    "signature": "0x73ccfa2d6ae6ba7414b82e075e22315de4d69923798a164899e8f6ea3677707d1dd158b9b77dea594a6932e1530475b9f91e483496aaf7a5c6631da5b832d95d1b",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}