{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146147",
    "entityType": "User",
    "nonce": "0x58bff30807b3e2f65755a2de592cf58f5b79b99fe5f496887f2621fc142dbb9a",
    "signature": "0xdc6842e722678feb585683ad2493a4a4b8103e8ef1fd5928ceb09deb337c766b6cfe001397738bc810a5dd65298d26e3e653bce7861996971a1b0dd8ba9983781b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}