{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71569007",
    "entityType": "User",
    "nonce": "0x723d6c85ca8773a2ba62f4d5bb00cf7ce1064b832ceb7c164a7c027ebb47252d",
    "signature": "0xa726c88c0d509e7f51aa41c180224f726f5497986f1414f42524da79af0840c46d6951c5c55832993555073f6d12ceecd5618ee40bb03093205037c6f19ad7761c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}