{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89033",
    "entityType": "User",
    "nonce": "0xaac69833d73c78f283b6c00e64e94d1067b2c592ec1503c3e8403cae4cceb450",
    "signature": "0xeff1f13f20e842313671093ccbd410322f9b28b73220bf5ee463dccdd14ec9a304d7e9c3e573ea15b2d212fd9614a8b52920263f436ea6e4ee13f85e023d14af1c",
    "signer": "0xD55DC3bb788f477f695183900Fff41982fa8ecfF",
    "userId": "677613980"
  }
}