{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90769",
    "entityType": "User",
    "nonce": "0x64e2e08cd4a201cd6699ef31cdc4f6131231c836b7349319f3a6c67db96e2500",
    "signature": "0xa2f7785fb3ddf57ddab5071bde843ee50f7917895c8d0e504b0a1273a08a6f3f3ecd7fb88b99d703e82bbb13c3f37fd5403841dba068d839972dcae15241d5641b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}