{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0x62c28dbcc0f5234dd217eaeed4534e226b430ba20f1f64efb071aca7faaae1e4",
    "signature": "0xe6cc8d116a6c7fdda78c0be4481f870bd391923e1224e62115efa8c0e86d47520de4ceea9ed8f44ce9cf196365603e76713a97a5925dd120cf87d901f85f24cf1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}