{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987917854",
    "entityType": "User",
    "nonce": "0x029480a98555656f18cf42b0d526532772d588e3ffcf750358fc6dfd66434499",
    "signature": "0xb72b8d554332fd6be080a17830707119e9dcdf6f1008b52ebebb9d4d6293ce4b1c877131a27c2e7fe73659220c08fd0b76d6b926bb98d54fa14ad0b007613a671b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}