{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293566119",
    "entityType": "User",
    "nonce": "0x9ffdbd070b4317c3dd8438dc5c666a4b2511c5d4a8af07b07f52ed5b7b680432",
    "signature": "0x5161d996965abc72be22c567cd4632ced6c91d8212dc79eb96de6b764aa572515dbca8e67b722e2f2c05c1ca881168460019823a818e67dd3dd05d8ce4f291461c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}