{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39606",
    "entityType": "User",
    "nonce": "0x752baaabe7f2ddb5a21b810420482f0f126dc9dc9bc75b53bcd6c4112663484f",
    "signature": "0xf881399c8cfb58ec468a80274ea1d6aedf17d100d77059c94bbdce53f66cf36d642713fbce19dd33608446a218a71a935318ae0e0076a9a319d175ab25bdd2881b",
    "signer": "0x69F4F3580e53002dD014EeE2b9480814A01b21eF",
    "userId": "719083727"
  }
}