{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70028",
    "entityType": "User",
    "nonce": "0x76a97dc846ef623ec1dc83ae2c80b275ebfae58b02a624752575f3a8695e333f",
    "signature": "0x649a8b8a647bc51ab0eeefc3d63dc7251e5260b0085e22dde5586150ad90be8246ffc7f33675f794fc6b26631b595f6390adbc871075e80d243256499597b3811b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}