{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959778351",
    "entityType": "User",
    "nonce": "0x483643ec800babd9211eb418d9c0f8d48b15daa4b7068f282d65d02c10fe083d",
    "signature": "0xc6faf1b5a8b223e66587a09e3f55ff9de0628dd040d1a0ad25e876dda2e82aca05086cffafdb71ff782fad5047380a07b2fce9dc37786d5c598a66692fee43951c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}