{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "575927",
    "entityType": "User",
    "nonce": "0xf52ab35210c9e5f43e1a081660e6242f6f2e7bf3509797ce4a0dc03ae667edbe",
    "signature": "0xaaee2cddd4c86dab0e11269941d5d173d7faac822ba21c33bfebf86215c4492d6a97095a81c1eeb52d7edc339e0953d7c5ef9fdde72c574ed5c52ab8341fbdb91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}