{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39701",
    "entityType": "User",
    "nonce": "0x78f5e44a78d40b472c2148226ca16635075b8c56bae34a8892116e01072cd118",
    "signature": "0x985e9a7d57c38f098ac5ca26eebe9a47b54bfacd4394a5be6d65031c2d836b634dc04422679ebd8acc3abadf68b872f143da639266c8e6374726ca3f556d8ec31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}