{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x847262531d10d74a3e5cc095c0ec5fc51e0a9b9a4feef6a095dc38b450c8b6e3",
    "signature": "0xea21ae72f83a0b0d25f3e46d4f3a01c89f237f678d1d074f7cb35a785223166c756aa13c04d23ac43c4c6981b412747302ec9a11951b4c8cd4c556c2bfd57cdc1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}