{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd300415669de68c7c73884130e35464332bd933f8b3406df4aa0bd4b72e4f515",
    "signature": "0x0fdd9f4ea081a3c4c05d7c1dda314ef3bbd6823fc88f6abe038f4f19d4ca22551c7962a34590ea70c8c8694d4ff701f950747af94a79ecb3a2bbc88a87782fc41c",
    "signer": "0xa8472e7A84888420F60141d2c087f40df4228C81",
    "userId": "217543046"
  }
}