{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313074",
    "entityType": "User",
    "nonce": "0xfab54611679d60c9506cc8048534603a181e3cf7dcc877c7ca9592e08de46451",
    "signature": "0xbb6eb0f4349f1605ef039d4b27624f0034dc5b427c8907391940861395eb88674d97909bdede1b691cff1bec1dd82ef9a5f5464d43eb6ad992f7ad2d58e17a941b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}