{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145147",
    "entityType": "User",
    "nonce": "0x93319b6c81a61257a134ec1d99fa80e0442846aa7f4476fd2bc67e5051977a85",
    "signature": "0xa9b4ade21361723bbeae62b77a1bf24068a8fe478b0cd27dac2b38e43469d02544ce9debab65a580fc67d0c3240102e325d23b260f6e5f63484e795cae0bc4081c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}