{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x155c14b276647705576e877a67a8344604a0fcbc0a416ed6c3bc7ef19055df80",
    "signature": "0x8793fdaef7dbc4c271d5f262cec9d10978297414e55cb322082c2bd854c503f4023d20d98f48fb9158f7a9bb62fcd94ff8d8f2f2bd5b30ed29c035c94201bb3e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}