{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0xd8b00f380aee10a9daa21decbd78bb13b5e2928b99e480d68524d69cb0dfc357",
    "signature": "0x4c36734f26e553db99d26e2caa510c56a0f98486f577a6e1454868c2c9ea0ad7357871125db020fc3e1feae9eef9c371b6da80dec24e5b6e05b28dc079afc87f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}