{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614447048",
    "entityType": "User",
    "nonce": "0x546a3a845b4d55906840ec398a13ab3b5a0578b020c2fa4e57db8ffea9657184",
    "signature": "0x1b648e262147c67d24e5936c36eb375e83f334274ab2c4e248f1f7857f04077c426e13b0238bf06b1f9ea08cebdc4b30095866760957531e156ea85faef0a5671c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}