{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132508",
    "entityType": "User",
    "nonce": "0x4cc42d390e38fd8525ccef262ed14dce9b81b4e943573be3bf405a782018c0ef",
    "signature": "0xa37bddffb3f44517b1a247bc7f0bb20f2b2dacb6484d88f4d718bf9c89b60e21653d28437e7fe67da835602f2630ad1fdac4fd846a05d4edc54c4d6c0a9ad9731c",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}