{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326665",
    "entityType": "User",
    "nonce": "0x43bc8ff22378f201f6667f3d10db2cbfd5802277d10eb6d58652bd4382186e4c",
    "signature": "0x46b424cbf32a07d0ad21fb506878459d49dd538daf87e1492e12d62542c8fed0434f4fc7e9470ef5d658b5195ea0d0dd2a082770205df6ea355e44bbd6de53e01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}