{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64062",
    "entityType": "User",
    "nonce": "0xf058fd38dad72574e006606f82d1576a174a57cfd13a1bc7a8f8c21482e35acb",
    "signature": "0xdf99679b7fb732737af26d50ac267590ae203f00f659ea1bbb9e7e1d7c3a929032a6b9d65a8376f70b91ba22f38d62ff06c4fe9ab95ebddf07dfd738aab72b1f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}