{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1277a277bca2b3788c444bff34f5e9359d27513acd96246636e788c3574aaccb",
    "signature": "0x89bc80f2f8fea06e4ff3b6984e4203e8f91a8641444ab3efd0c129c6fa2c4157328a757a54b9eea72e5d4dd0abf75dcbb5b0f97365d15db3f5c2fbc6a980343c1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}