{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x54ebe3e07deb005d96c36661b269bd00457e3fcb53477f0696cbc81b5998af75",
    "signature": "0xaf0fc082e7456f301ad387584dedc83941a04c7e83e78698a5a6ba735439f24426fe9fd5132c462afb8ae3ea1a5774927f239dd4ab3809c9e90dcd2dedbd9e4e1b",
    "signer": "0x3e327C81B6c731B6c03844a03cb5734C5B4E4F02",
    "userId": "144940198"
  }
}