{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99600",
    "entityType": "User",
    "nonce": "0xa9e492b65b21c02148d27c8347253def7e48aee697d6847c86aea37b812b0dc5",
    "signature": "0x0d22c3094fd01d59cef29e8a38188e3fa1c929bef352e4a07c83f74e2f589b4422fac7d263879845f8701a38470e1349a468cec15d3f9e46e274bf2ecd9d89c61c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}