{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xc3ccf8c8e71ced7bdf96367ea583e2a197bacd17d933796bf348175a217f81dc",
    "signature": "0xf17600be73c7b7c630da3ad5754ea0acb1bdf4d1fc2063cfce108e59dde18cab74bf86fb4bf1986c418f046a42bf76fa0155eba208f2f66250ade7b7d94782961b",
    "signer": "0x569AD4a425B92a964d8e182094f4aC58C0673162",
    "userId": "577745560"
  }
}