{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xba25605ede0f7902906ee0d8c848f4c668282e12a222a4aea2917f45c620f8cd",
    "signature": "0xc1907694343bc4c6bcd5f27af1572f849d918333d322824f7398082219cee1ee0d3a9b397922c9d51c87054f6955118b4ab4d367a452550c10c7a97d3d5822491b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}