{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106710",
    "entityType": "User",
    "nonce": "0x907e8108dd882327389cee9642dd9062738838b5b2046fb6066a444a4c847ba4",
    "signature": "0xd6a2b4cdd3531b232d88c6587267b05d9529ff3a55941fb32ea03251f91cd3670f77bddc2ec4fe2c6cd6d0461d589ab5e1d47555e65054e87194732ac608f95b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}