{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xabd6ccfb200bc6ad408b292d72c442b9636214249ecdca9eccf5239e078ca31e",
    "signature": "0xe5870a674ef05dd7277805cc0d3aec4d8e78b855821f401905727c6dbb72f6be353abd2d7d601d0e50bd11e3bf2d7d96b143571a2c0053ac595431ac9ca606f21b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}