{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xa89e5a4f48648734640193db4117a3f940d35d9ed7decb8ff375fe07e2cbca81",
    "signature": "0x0f2a89530313e09e326c915f370030483ca7451f9449aebf0754dd39d3b04da7250abacbb9a2a550b5e83411a3384544e0bc5c8d7c1e4b7e8d5af51267481be41b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}