{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xe2ef1a233f2570f15d129fb9e94c69460dc71976b385500cdee0676700cc1ad3",
    "signature": "0x1a270448f58c9bba3513a8fdb7904ce1c8b7f7fa0dff4b6bb88f1167d70dd0457d07352eb64f3ab9830bdca3d06de9eb332f6e3082266e858da0a03fbe46e95b1c",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}