{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x58e47be1905817990e557ef8564af371ddc1876f19ba1817b1b5f8268a977756",
    "signature": "0xe3645bdaec6eef9f108e6399715a8673fa7b1ca1cf6d25f4acd5c0375c67cd517d77415825473c6d8d3fb91ec37fd73ebde627e8628a2e5eaf0da29d24fc61f91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}